import { Injectable } from '@angular/core';
import { HttpInterceptor, HttpEvent, HttpHandler, HttpRequest } from '@angular/common/http';
import { Observable } from 'rxjs';
import { TokenService } from '../token';

@Injectable()
export class HttpTokenInterceptors implements HttpInterceptor {

  constructor(
    private tokenService: TokenService
  ) { }

  intercept(req: HttpRequest<any>, next: HttpHandler):
    Observable<HttpEvent<any>> {
    const token  = localStorage.getItem('token');
    if (token) {
          const authReq = req.clone({
            headers: req.headers.append('Authorization',  'Bearer ' + token)
          });
        return next.handle(authReq);
      } else {
        return next.handle(req);
      }
  }
}
